North American Butterfly Association (NABA)
Nonprofit organization with local chapters educating the public about recreational butterflying. Site includes current sightings and commentary on the growing fad of releasing butterflies at weddings.
www.naba.org
British Butterfly Conservation Society
Dedicated to saving wild butterflies, moths, and their habitats throughout the U.K.
www.butterfly-conservation.org
Utah Lepidopterists' Society
Dedicated to the study of butterflies and moths, especially of Utah.
www.utahlepsociety.org
International Butterfly Breeders Association
Promoting high standards of ethics, competence and professionalism in the breeding of quality Lepidoptera for all purposes.
www.butterflybreeders.com
Bedfordshire & Northamptonshire Butterfly Conservation
Committed to the preservation of all species of butterflies, moths, and their habitats in the Bedfordshire and Northamptonshire areas.
www.bedfordshire-butterflies.org.uk
Cornwall Moth Group
An independent group of enthusiasts studying and recording both British moths and migrant moths.
www.cornwallmothgroup.org.uk
Herts Moth Group
Offers information for people interested in moths and recording the insects in Hertfordshire.
www.hertsmothgroup.org.uk
Kipepeo Butterfly Project
Butterfly farm based at Gede Ruins National Monument conserving nature on Kenya's coast.
www.kipepeo.org
Essex Moth Group
Arranges recording trips throughout the season and publishes the results in their quarterly newsletter.
www.brian.goodey.dial.pipex.com